heating NISSAN X-TRAIL 2003 Service Workshop Manual

MTC-8
TROUBLE DIAGNOSIS

CHECKING TEMPERATURE DECREASE
1. Turn temperature control dial to full cold position.
2. Check for cold air at discharge air outlets.
If NG, go to trouble diagnosis procedure for MTC-10, "
Air Mix Door"
If OK, continue the check.
CHECKING TEMPERATURE INCREASE
1. Turn temperature control dial to full hot position.
2. Check for hot air at discharge air outlets.
If NG, go to trouble diagnosis procedure for MTC-19, "
Insufficient
Heating" .
If all operational check are OK (symptom cannot be duplicated), go
to Incident Simulation Tests in GI-23, "
How to Perform Efficient Diag-
nosis for an Electrical Incident" and perform tests as outlined to sim-
ulate driving conditions environment. If symptom appears, refer to
MTC-3, "
SYMPTOM TABLE" and perform applicable trouble diagno-
sis procedures.
RJIA0590E
RJIA0591E

TROUBLE DIAGNOSIS
MTC-19
C
D
E
F
G
H
I
K
L
MA
B
MTC

Insufficient HeatingEJS001FJ
SYMPTOM: Insufficient heating
INSPECTION FLOW
SJIA0482E